Outgoing calls going straight to voicemail on certain numbers only

[Anonymous]

Trying to ring my daughter on I phone3gs updated to iOS 6 straight to voice mail every time call off another phone or landline it's fine any advice please

[jonsie · Accepted solution]

Try resetting network settings and cleaning the sim card. Perhaps a soft reset by holding down the on and home buttons until the Apple logo appears.

If you still have problems think about replacing the simcard at your local O2 store.